diff --git a/lib/manager/bundler/range.js b/lib/manager/bundler/range.js
index 84a43e7209c4607c0b8dc18e5a7589d2cfd7a58e..d40496c31cee853cddc23248dbb21331ae0c5e77 100644
--- a/lib/manager/bundler/range.js
+++ b/lib/manager/bundler/range.js
@@ -15,6 +15,6 @@ module.exports = {
  *
  */
 
-function getRangeStrategy(config) {
+function getRangeStrategy() {
   return 'replace';
 }
diff --git a/lib/manager/cargo/artifacts.js b/lib/manager/cargo/artifacts.js
index d785eac34bc751e895daca9894b3543873d5b960..6826f3d5408de3bc22b827fc38efc90c8fabc95e 100644
--- a/lib/manager/cargo/artifacts.js
+++ b/lib/manager/cargo/artifacts.js
@@ -2,12 +2,7 @@ module.exports = {
   getArtifacts,
 };
 
-async function getArtifacts(
-  cargoTomlFileName,
-  updatedDeps,
-  newCargoTomlContent,
-  config
-) {
+async function getArtifacts(cargoTomlFileName) {
   await logger.debug(`cargo.getArtifacts(${cargoTomlFileName})`);
   let cargoLockFileName;
   try {
diff --git a/lib/manager/cargo/update.js b/lib/manager/cargo/update.js
index ed0707a9f120bd581edee04b4f2e9abde06985a6..2bf9a1495d7dcf324ece702a05ca6bca57f186cb 100644
--- a/lib/manager/cargo/update.js
+++ b/lib/manager/cargo/update.js
@@ -2,7 +2,7 @@ module.exports = {
   updateDependency,
 };
 
-function updateDependency(currentFileContent, upgrade) {
+function updateDependency(currentFileContent) {
   // TODO
   return currentFileContent;
 }